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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...rnatively 2), which I'm guessing happens with the 16 bit instructions, the allocation stage probably stalls (i.e. if the RAT has an active allocation for an ax write and an eax read appears, it stalls until the ax write retires).
mov rdx, 1
mov rax, 6
imul rax, rdx
mov rbx, rax
mov eax, 7 //retire...
How does akka compare to Erlang? [closed]
... @ErikAllik He meant 1000 "reductions". Think of a reduction as a token to execute a bit of code (it's not, but it does the job for explaining...). After 1000 reductions, the scheduler switches to a different process. More infos at erlang.org/pipermail/erlang-questions/2001-April/003132.htm...
C++ multiline string literal
...l) backslashes as long as they appear inside a string or character literal token. Not sure what's your point. It is illegal to have an unmatched quote (double or single), so contractions don't work, or an odd number of them anyway, which is probably the biggest downside. +1 anyway. "Real programmers...
Django: How do I add arbitrary html attributes to input fields on a form?
...class="md-form" action="." enctype="multipart/form-data">
{% csrf_token %}
{% for field in form %}
<div class="row">
<div class="col-md-12">
<div class="form-group row">
<label for="" class="col-sm-4 col-form-label {% if field.f...
How to initialize a vector in C++ [duplicate]
...iner/vector/vector without supplying the third argument, which defaults to Allocator(). I know I'm missing something.
– Mortimer McMire
Jun 22 '13 at 19:45
...
Simplest way to read json from a URL in java
...
Unrecognized token 'https': was expecting ('true', 'false' or 'null')
– Damir Olejar
Mar 1 '17 at 1:21
...
How can I concatenate regex literals in JavaScript?
... number of matching groups in the first regex, Then for each back-matching token in the second, we increment it by the number of matching groups.
function concatenate(r1, r2) {
var count = function(r, str) {
return str.match(r).length;
}
var numberGroups = /([^\\]|^)(?=\((?!\?:))/g; // Ho...
Reuse a parameter in String.format?
...n that lets you specify the argument once to be applied to all of the %s tokens?
4 Answers
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How does one create an InputStream from a String? [duplicate]
...
How about not using String.getBytes? It allocates a copy of string, so it is not memory effective solution. The reason to use inputstream is usually to avoid keeping a copy of large object in memory
– Vitamon
May 19 '16 at 11:...
What is the canonical way to check for errors using the CUDA runtime API?
... the return status of the API call it wraps, for example:
gpuErrchk( cudaMalloc(&a_d, size*sizeof(int)) );
If there is an error in a call, a textual message describing the error and the file and line in your code where the error occurred will be emitted to stderr and the application will exit...